(19)

(11)

EP 4 490 372 A1

(12)

(43) Date of publication: 15.01.2025 Bulletin 2025/03 (21) Application number: 23701318.0 (22) Date of filing: 18.01.2023

(51) International Patent Classification (IPC):  E04H 12/08(2006.01) F03D 13/20(2016.01) (52) Cooperative Patent Classification (CPC): E04H 12/085; F16L 23/032; F03D 13/205 (86) International application number: PCT/EP2023/051080 (87) International publication number: WO 2023/169724 (14.09.2023 Gazette 2023/37)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 11.03.2022 NO 20220311 (71) Applicant: TP-Products AS 3003 Drammen (NO)	(72) Inventor: LASSESEN, Sjur 1368 Stabekk (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)